Re: [Boost-build] path.exists caching?

From: Stefan Seefeld (seefeld_at_[hidden])
Date: 2008-02-11 20:57:45

Jurko Gospodnetiæ wrote:
>    Hi Alex.
> 
>> I want bjam to automatically checkout missing dependancies.  I created a wrapper rule for 'exe' and 'lib' which checks if sources include libraries from a list of our libs and then checks if the directory exists and if not - checks it out from cvs.
> 
>    Hmmm, nice goal, and wiser developers might correct me if I am wrong, 
> but I do not believe Boost Build (or Boost Jam, or make for that matter) 
> was intended to be used in such a way that dynamically modifies its own 
> scripts/rules while it works based on the very environment it changes.

(For the record: GNU make has implicit rules covering RCS and SCCS, that 
allow it to check out source code from a repository. This is admittedly 
quite arcane, but demonstrates that updating from a repository as part 
of a build is indeed something that has been done before.)

FWIW,
                Stefan

-- 
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